Cataract is a visual impairment disease caused by clouding of the lens, usually does not involve the gastrointestinal tract, there is no absolute dietary contraindications, patients can be supplemented with high-protein foods to promote wound healing. Cataract is usually due to various reasons that lead to the lens protein degeneration and turbidity caused by the disease, the patient can appear different degrees of vision loss, and ultimately can lead to blindness. Currently in the clinic, surgery is the main treatment for cataracts, patients can remove the cloudy lens and implant an artificial lens to improve vision, there is no absolute dietary contraindication for patients. The main role of food is to replenish the nutrients needed for the body’s energy metabolism. When the gastrointestinal tract is functioning normally, there is no special dietary contraindication for cataract patients, but patients can supplement high-protein foods, such as lean meats, eggs, milk, etc., in order to promote post-surgical wound healing. It is recommended that patients after cataract surgery follow the doctor’s instructions for care, regular review, and timely consultation when discomfort occurs.